Belligerent Yearling is a uncommon Creature — Dinosaur card from The Lost Caverns of Ixalan (LCI), collector number 320. Current market price: $0.22 (foil $0.31), TCGplayer market prices via Scryfall.
Trample Whenever another Dinosaur you control enters, you may have this creature's base power become equal to that creature's power until end of turn.